Intelligent vehicle navigation assistance

Patent metadata

Field	Value
Publication number	US-10215581-B2
Application number	US-201615196942-A
Country	US
Kind code	B2
Filing date	Jun 29, 2016
Priority date	Jun 29, 2016
Publication date	Feb 26, 2019
Grant date	Feb 26, 2019

Abstract

An aspect of vehicle navigation assistance includes generating a route based on a starting point of a vehicle and a user-inputted destination location. The route specifies a set of directions defined by location points, actions, and distance values. An aspect also includes comparing the generated route to previously travelled routes stored in the memory, identifying, from the comparing, a segment of the generated route that is in common with a segment from at least one of the previously travelled routes, and determining a frequency count indicating a number of instances that the segment of the generated route appears in the previously travelled routes. A further aspect includes upon determining that the frequency count exceeds a specified threshold value, muting output of audio-based directions through a speaker of the vehicle during traversal of the vehicle through the segment of the generated route.

First claim

What is claimed is:

1. A vehicle navigation system, comprising:
a memory having computer readable instructions; and
a processor for executing the computer readable instructions, the computer readable instructions including:
determining an identity of a driver of a vehicle;
generating a route based on a starting point of the vehicle and a user-inputted destination location, the route comprising a set of directions defined by location points, actions, and distance values;
comparing the generated route to previously travelled routes by the driver stored in the memory, wherein the memory stores previously travelled routes of a plurality of drivers of the vehicle;
identifying, from the comparing, a segment of the generated route that is in common with a segment from at least one of the previously travelled routes by the driver;
determining a frequency count indicating a number of instances that the segment of the generated route appears in the previously travelled routes by the driver;
upon determining that the frequency count exceeds a specified threshold value, muting output of audio-based directions through a speaker of the vehicle during traversal of the vehicle through the segment of the generated route;
monitoring movement of the vehicle during the traversal through the segment of the generated route;
upon determining the vehicle has deviated from a direction in the set of directions, un-muting the output of the audio-based directions;
storing a timestamp corresponding to each of the previously travelled routes by the driver; and
upon determining the frequency count exceeds the specified threshold value and a duration of time between a most recent one of the previously travelled routes by the driver having the segment exceeds a specified time threshold as determined from the timestamp, performing at least one of:
prompting the user to maintain the output of the audio-based directions through the speaker; and
modifying the output of the audio-based directions to a higher level of detail than a level of detail associated with the audio-based directions.

2. The vehicle navigation system of claim 1 , wherein the comparing the generated route to previously travelled routes by the driver comprises:
comparing each direction in the set of directions of the generated route to each direction in a set of directions associated with each of the previously travelled routes by the driver stored in the memory.

3. The vehicle navigation system of claim 1 , wherein the computer readable instructions further include:
assigning an identifier of the driver to the generated route; and
storing the generated route with the identifier in the memory;
wherein the comparing the generated route to previously travelled routes by the driver stored in the memory includes comparing the generated route to only those previously travelled routes of the plurality of drivers having the assigned identifier of the driver.

4. The vehicle navigation system of claim 1 , wherein the segment comprises a sequence of the location points, actions, and distance values in the set of directions.

5. A method, comprising:
generating a route based on a starting point of a vehicle and a user-inputted destination location, the route comprising a set of directions defined by location points, actions, and distance values;
determining an identity of a driver of the vehicle;
comparing the generated route to previously travelled routes by the driver stored in a memory, wherein the memory stores previously travelled routes of a plurality of drivers of the vehicle;
identifying, from the comparing, a segment of the generated route that is in common with a segment from at least one of the previously travelled routes by the driver;
determining a frequency count indicating a number of instances that the segment of the generated route appears in the previously travelled routes by the driver;
upon determining that the frequency count exceeds a specified threshold value, muting output of audio-based directions through a speaker of the vehicle during traversal of the vehicle through the segment of the generated route;
monitoring movement of the vehicle during the traversal through the segment of the generated route;
upon determining the vehicle has deviated from a direction in the set of directions, un-muting the output of the audio-based directions;
storing a timestamp corresponding to each of the previously travelled routes by the driver; and
upon determining the frequency count exceeds the specified threshold value and a duration of time between a most recent one of the previously travelled routes by the driver having the segment exceeds a specified time threshold as determined from the timestamp, performing at least one of:
prompting the user to maintain the output of the audio-based directions through the speaker; and
modifying the output of the audio-based directions to a higher level of detail than a level of detail associated with the audio-based directions.

6. The method of claim 5 , wherein the comparing the generated route to previously travelled routes by the driver comprises:
comparing each direction in the set of directions of the generated route to each direction in a set of directions associated with each of the previously travelled routes by the driver stored in the memory.

7. The method of claim 5 , further comprising:
assigning an identifier of the driver to the generated route; and
storing the generated route with the identifier in the memory;
wherein the comparing the generated route to previously travelled routes by the plurality of drivers stored in the memory includes comparing the generated route to only those previously travelled routes by the driver having the assigned identifier of the driver.

8. A computer program product comprising a computer readable storage medium having program instructions embodied therewith, wherein the computer readable storage medium is not a transitory signal per se, the program instructions executable by a computer processor to cause the computer processor to perform a method, comprising:
determining an identity of a driver of a vehicle;
generating a route based on a starting point of the vehicle and a user-inputted destination location, the route comprising a set of directions defined by location points, actions, and distance values;
comparing the generated route to previously travelled routes by the driver stored in the memory, wherein the memory stores previously travelled routes of a plurality of drivers of the vehicle;
identifying, from the comparing, a segment of the generated route that is in common with a segment from at least one of the previously travelled routes by the driver;
determining a frequency count indicating a number of instances that the segment of the generated route appears in the previously travelled routes by the driver;
upon determining that the frequency count exceeds a specified threshold value, muting output of audio-based directions through a speaker of the vehicle during traversal of the vehicle through the segment of the generated route;
monitoring movement of the vehicle during the traversal through the segment of the generated route;
upon determining the vehicle has deviated from a direction in the set of directions, un-muting the output of the audio-based directions;
storing a timestamp corresponding to each of the previously travelled routes by the driver; and
upon determining the frequency count exceeds the specified threshold value and a duration of time between a most recent one of the previously travelled routes by the driver having the segment exceeds a specified time threshold as determined from the timestamp, performing at least one of:
prompting the user to maintain the

Assignees

• IBM

Inventors

• Hoareau Guillaume
• Liebenberg Johannes J
• Musial John G
• Whitman Todd R

Classifications

• G01C21/3484

  Personalized, e.g. from learned user behaviour or user-defined profiles · CPC title

• G01C21/3641 Primary

  Personalized guidance, e.g. limited guidance on previously travelled routes · CPC title

• G01C21/3629

  Guidance using speech or audio output, e.g. text-to-speech (text to speech systems per se G10L13/00) · CPC title